1640897280

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1$

素因数の和:624

約数の個数: 432

約数和(自身を含む): 6474214656

約数和(自身を除く): 4833317376

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 23, 24, 30, 32, 33, 36, 40, 44, 45, 46, 48, 55, 60, 64, 66, 69, 72, 80, 88, 90, 92, 96, 99, 110, 115, 120, 128, 132, 138, 144, 160, 165, 176, 180, 184, 192, 198, 207, 220, 230, 240, 253, 256, 264, 276, 288, 320, 330, 345, 352, 360, 368, 384, 396, 414, 440, 460, 480, 495, 506, 528, 552, 563, 576, 640, 660, 690, 704, 720, 736, 759, 768, 792, 828, 880, 920, 960, 990, 1012, 1035, 1056, 1104, 1126, 1152, 1265, 1280, 1320, 1380, 1408, 1440, 1472, 1518, 1584, 1656, 1689, 1760, 1840, 1920, 1980, 2024, 2070, 2112, 2208, 2252, 2277, 2304, 2530, 2640, 2760, 2815, 2816, 2880, 2944, 3036, 3168, 3312, 3378, 3520, 3680, 3795, 3840, 3960, 4048, 4140, 4224, 4416, 4504, 4554, 5060, 5067, 5280, 5520, 5630, 5760, 5888, 6072, 6193, 6336, 6624, 6756, 7040, 7360, 7590, 7920, 8096, 8280, 8445, 8448, 8832, 9008, 9108, 10120, 10134, 10560, 11040, 11260, 11385, 11520, 12144, 12386, 12672, 12949, 13248, 13512, 14080, 14720, 15180, 15840, 16192, 16560, 16890, 17664, 18016, 18216, 18579, 20240, 20268, 21120, 22080, 22520, 22770, 24288, 24772, 25335, 25344, 25898, 26496, 27024, 29440, 30360, 30965, 31680, 32384, 33120, 33780, 36032, 36432, 37158, 38847, 40480, 40536, 42240, 44160, 45040, 45540, 48576, 49544, 50670, 51796, 52992, 54048, 55737, 60720, 61930, 63360, 64745, 64768, 66240, 67560, 72064, 72864, 74316, 77694, 80960, 81072, 88320, 90080, 91080, 92895, 97152, 99088, 101340, 103592, 108096, 111474, 116541, 121440, 123860, 126720, 129490, 132480, 135120, 142439, 144128, 145728, 148632, 155388, 161920, 162144, 180160, 182160, 185790, 194235, 194304, 198176, 202680, 207184, 216192, 222948, 233082, 242880, 247720, 258980, 264960, 270240, 278685, 284878, 291456, 297264, 310776, 323840, 324288, 360320, 364320, 371580, 388470, 396352, 405360, 414368, 427317, 432384, 445896, 466164, 485760, 495440, 517960, 540480, 557370, 569756, 582705, 582912, 594528, 621552, 648576, 712195, 720640, 728640, 743160, 776940, 792704, 810720, 828736, 854634, 891792, 932328, 971520, 990880, 1035920, 1080960, 1114740, 1139512, 1165410, 1189056, 1243104, 1281951, 1297152, 1424390, 1457280, 1486320, 1553880, 1585408, 1621440, 1657472, 1709268, 1783584, 1864656, 1981760, 2071840, 2136585, 2161920, 2229480, 2279024, 2330820, 2378112, 2486208, 2563902, 2848780, 2914560, 2972640, 3107760, 3242880, 3314944, 3418536, 3567168, 3729312, 3963520, 4143680, 4273170, 4458960, 4558048, 4661640, 4756224, 4972416, 5127804, 5697560, 5945280, 6215520, 6409755, 6485760, 6837072, 7134336, 7458624, 7927040, 8287360, 8546340, 8917920, 9116096, 9323280, 9944832, 10255608, 11395120, 11890560, 12431040, 12819510, 13674144, 14268672, 14917248, 16574720, 17092680, 17835840, 18232192, 18646560, 20511216, 22790240, 23781120, 24862080, 25639020, 27348288, 29834496, 34185360, 35671680, 36464384, 37293120, 41022432, 45580480, 49724160, 51278040, 54696576, 68370720, 71343360, 74586240, 82044864, 91160960, 102556080, 109393152, 136741440, 149172480, 164089728, 182321920, 205112160, 273482880, 328179456, 410224320, 546965760, 820448640, 1640897280]

約数ペア:

[(1, 1640897280), (2, 820448640), (3, 546965760), (4, 410224320), (5, 328179456), (6, 273482880), (8, 205112160), (9, 182321920), (10, 164089728), (11, 149172480), (12, 136741440), (15, 109393152), (16, 102556080), (18, 91160960), (20, 82044864), (22, 74586240), (23, 71343360), (24, 68370720), (30, 54696576), (32, 51278040), (33, 49724160), (36, 45580480), (40, 41022432), (44, 37293120), (45, 36464384), (46, 35671680), (48, 34185360), (55, 29834496), (60, 27348288), (64, 25639020), (66, 24862080), (69, 23781120), (72, 22790240), (80, 20511216), (88, 18646560), (90, 18232192), (92, 17835840), (96, 17092680), (99, 16574720), (110, 14917248), (115, 14268672), (120, 13674144), (128, 12819510), (132, 12431040), (138, 11890560), (144, 11395120), (160, 10255608), (165, 9944832), (176, 9323280), (180, 9116096), (184, 8917920), (192, 8546340), (198, 8287360), (207, 7927040), (220, 7458624), (230, 7134336), (240, 6837072), (253, 6485760), (256, 6409755), (264, 6215520), (276, 5945280), (288, 5697560), (320, 5127804), (330, 4972416), (345, 4756224), (352, 4661640), (360, 4558048), (368, 4458960), (384, 4273170), (396, 4143680), (414, 3963520), (440, 3729312), (460, 3567168), (480, 3418536), (495, 3314944), (506, 3242880), (528, 3107760), (552, 2972640), (563, 2914560), (576, 2848780), (640, 2563902), (660, 2486208), (690, 2378112), (704, 2330820), (720, 2279024), (736, 2229480), (759, 2161920), (768, 2136585), (792, 2071840), (828, 1981760), (880, 1864656), (920, 1783584), (960, 1709268), (990, 1657472), (1012, 1621440), (1035, 1585408), (1056, 1553880), (1104, 1486320), (1126, 1457280), (1152, 1424390), (1265, 1297152), (1280, 1281951), (1320, 1243104), (1380, 1189056), (1408, 1165410), (1440, 1139512), (1472, 1114740), (1518, 1080960), (1584, 1035920), (1656, 990880), (1689, 971520), (1760, 932328), (1840, 891792), (1920, 854634), (1980, 828736), (2024, 810720), (2070, 792704), (2112, 776940), (2208, 743160), (2252, 728640), (2277, 720640), (2304, 712195), (2530, 648576), (2640, 621552), (2760, 594528), (2815, 582912), (2816, 582705), (2880, 569756), (2944, 557370), (3036, 540480), (3168, 517960), (3312, 495440), (3378, 485760), (3520, 466164), (3680, 445896), (3795, 432384), (3840, 427317), (3960, 414368), (4048, 405360), (4140, 396352), (4224, 388470), (4416, 371580), (4504, 364320), (4554, 360320), (5060, 324288), (5067, 323840), (5280, 310776), (5520, 297264), (5630, 291456), (5760, 284878), (5888, 278685), (6072, 270240), (6193, 264960), (6336, 258980), (6624, 247720), (6756, 242880), (7040, 233082), (7360, 222948), (7590, 216192), (7920, 207184), (8096, 202680), (8280, 198176), (8445, 194304), (8448, 194235), (8832, 185790), (9008, 182160), (9108, 180160), (10120, 162144), (10134, 161920), (10560, 155388), (11040, 148632), (11260, 145728), (11385, 144128), (11520, 142439), (12144, 135120), (12386, 132480), (12672, 129490), (12949, 126720), (13248, 123860), (13512, 121440), (14080, 116541), (14720, 111474), (15180, 108096), (15840, 103592), (16192, 101340), (16560, 99088), (16890, 97152), (17664, 92895), (18016, 91080), (18216, 90080), (18579, 88320), (20240, 81072), (20268, 80960), (21120, 77694), (22080, 74316), (22520, 72864), (22770, 72064), (24288, 67560), (24772, 66240), (25335, 64768), (25344, 64745), (25898, 63360), (26496, 61930), (27024, 60720), (29440, 55737), (30360, 54048), (30965, 52992), (31680, 51796), (32384, 50670), (33120, 49544), (33780, 48576), (36032, 45540), (36432, 45040), (37158, 44160), (38847, 42240), (40480, 40536)]